From mboxrd@z Thu Jan  1 00:00:00 1970
From: tchalamarla@caviumnetworks.com (Tirumalesh Chalamarla)
Date: Tue, 16 Feb 2016 11:14:44 -0800
Subject: [PATCH V2] AHCI: Workaround for ThunderX Errata#22536
In-Reply-To: <20160216144250.GD31343@rric.localdomain>
References: <1455319230-30201-1-git-send-email-tchalamarla@caviumnetworks.com>
 <20160214170152.GC3965@htj.duckdns.org> <56C147B2.9010303@caviumnetworks.com>
 <20160215183041.GH3965@htj.duckdns.org>
 <20160216144250.GD31343@rric.localdomain>
Message-ID: <56C37524.5090000@caviumnetworks.com>
To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org



On 02/16/2016 06:42 AM, Robert Richter wrote:
> On 15.02.16 13:30:41, Tejun Heo wrote:
>> On Sun, Feb 14, 2016 at 07:36:18PM -0800, Tirumalesh Chalamarla wrote:
>>> There is no need for special Driver, AHCI is sufficient for ThunderX, the
>>> file only contains this interrupt handler,
>>> is it preferable if this interrupt handler in libahci.c with others, instead
>>> of separate file?
>>
>> Yeap, just fold it in ahci.c with surrounding #ifdef guard.
>
> Yes, please use #ifdef CONFIG_CAVIUM_ERRATUM_22536 ... and add a
> kconfig entry for this to arch/arm64/Kconfig.
>
Are you sure, this is not a workaround that is based on alternative 
framework rather on pci device and vendor

do you think CONFIG_ARCH_THUNDER a good alternative?



> -Robert
>